Suppose A and B are two events. If P(A)=0.5, P(B)=0.4, and P(AUB)=D0.8. Then find the P(ANB)?

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Suppose A and B are two events. If P(A)=0.5, P(B)=0.4, and P(AUB)=0.8 . Then find the P(An B) ?
O A. 0.0
О В. 0.3
O C. 0.4
O D. None of these
Transcribed Image Text:Suppose A and B are two events. If P(A)=0.5, P(B)=0.4, and P(AUB)=0.8 . Then find the P(An B) ? O A. 0.0 О В. 0.3 O C. 0.4 O D. None of these
Suppose a random variable X is best described by a normal distribution with u=60 and o2=144 Find the z-score that
corresponds to the value X = 84.
O 1. 12
O 2. 1.2
O 3. 2
O 4. None of these
Transcribed Image Text:Suppose a random variable X is best described by a normal distribution with u=60 and o2=144 Find the z-score that corresponds to the value X = 84. O 1. 12 O 2. 1.2 O 3. 2 O 4. None of these
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